Junos® OS Ethernet Interfaces Configuration ... - Juniper Networks

Junos ®
OS 12.3 Ethernet Interfaces Configuration Guide
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Documentation
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switch-options on page 557
• switch-port on page 558
• speed on page 553
• Ethernet Interfaces Overview on page 35
• Junos® OS Ethernet Interfaces
MX Series Router Interface Identifiers
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Documentation
Juniper Networks MX Series 3D Universal Edge Routers support several types of line
cards, including Dense Port Concentrators (DPCs), Flexible Port Concentrators (FPCs)
with associated Physical Interface Cards (PICs), Modular Port Concentrators (MPCs)
with associated Modular Interface Cards (MICs), or MICs. FPCs are populated with PICs
for various interface types. DPCs and MPCs with associated MICs, and MICs support a
variety of port configurations and combine the functions of FPCs and the PICs. The
configuration syntax for each type of line card is the same: type-fpc/pic/port.
Ports are numbered from 0 through 9 for Gigabit Ethernet and Tri-Rate Ethernet copper
interfaces. Port numbers are always 0 for 10-Gigabit Ethernet interfaces.
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NOTE: In certain displays, the MX Series routers identify the Packet
Forwarding Engine (PFE) rather than the PIC number. PFE 0 corresponds to
PIC 0, PFE 1 corresponds to PIC 2, PFE 2 corresponds to PIC 1, and PFE 3
corresponds to PIC 3.
Ethernet Interfaces Overview on page 35
• Junos® OS Ethernet Interfaces
• Router Interfaces
Enabling Ethernet MAC Address Filtering
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By default, source address filtering is disabled. On aggregated Ethernet interfaces, Fast
Ethernet, Gigabit Ethernet, Gigabit Ethernet IQ, and Gigabit Ethernet PICs with SFPs
(except the 10-port Gigabit Ethernet PIC and the built-in Gigabit Ethernet port on the M7i
router), you can enable source address filtering, which blocks all incoming packets to an
interface.
NOTE: Source address filtering is not supported on J Series Services Routers.
Copyright © 2012, Juniper Networks, Inc.